) of -44.95 dB and a broad effective absorption bandwidth (EAB) of 5.57 GHz at a thin thickness of 2.2 mm. Theoretical calculations and experimental results demonstrate that the superior performance stems from the synergy of interfacial polarization, dipole polarization, and conductive loss, coupled with optimal impedance matching. The construction and structural optimization of the GR/GDY composite absorber provide a strong impetus for expanding the application of GDY in the field of microwave absorption.
Huo et al. (Sun,) studied this question.
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